Earplug



FIG. 1 is a perspective view of an earplug, showing our design.

FIG. 2 is a left-side view of the earplug thereof, where the right-side, front-side and back-side views all are similar thereto.

FIG. 3 is a top view of the earplug thereof.

FIG. 4 is a bottom view of the earplug thereof.

FIG. 5 is a perspective view of the earplug, showing an alternate design thereof.

FIG. 6 is a left-side view of the earplug thereof, where the right-side, front-side and back-side views all are similar thereto.

FIG. 7 is a top view of the earplug thereof; and,

FIG. 8 is a bottom view of the earplug thereof.

The long-short-short-long dashes immediately adjacent to the stippling areas represent the bounds of the claimed design while all other broken lines represent environmental structure and are for illustrative purposes only; the broken lines form no part of the clamed design. 

CLAIM We claim the ornamental design for an earplug, as shown and described. 